EXAMEN BLOQUE 3 PRODUCTOS NOTABLES
Quiz
•
Mathematics
•
5th Grade
•
Practice Problem
•
Hard
Gustavo Rodriguez
Used 2+ times
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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el resultado de (x+5)^2?
x^2+10x+25
x^2+25
x^2+5x+25
x^2+10x+20
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el resultado de (3y−2)^2?
9y^2−6y+4
9y^2−12y+4
9y^2+12y+4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el resultado de (a+b+c)^2?
a^2+b^2+c^2+2ab+2bc+2ac
a^2+b^2+c^2+ab+bc+ac
a^2+b^2+c^2+2ab+bc+ac
a^2+b^2+c^2+ab+2bc+2ac
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el resultado de (a+7)(a−7)?
a^2+49
a^2−49
a^2−14a+49
a^2−14
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el resultado de (5x+3)(5x−3)?
25x^2−9
25x^2+9
25x^2−15x+9
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el resultado de (2a+b+c)(2a−b−c)?
4a^2−b^2−c^2−2bc
4a^2−b2−c^2
4a^2−b^2−c^2+2bc
4a^2+b^2+c^2−2bc
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el resultado de (x+2)(x+3)?
x^2+5x+6
x^2+6
x^2+5x+5
x^2+5x+2
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el resultado de (2x+y)(2x+z)?
4x^2+2xz+yz
4x^2+2xz+yz
4x^2+2x(y+z)+yz
4x^2+4xz+yz
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el resultado de (2m + 3n - 4)( 2m - 5n + 2)
4m^2 - 15n^2 - 4mn - 4m + 26n - 8
4m^2 - 15n^2
4m^2 + 15n^2 - 4mn - 4m - 26n - 8
2m^2 - 15n^2 - 4mn - 4m + 26n + 8
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